split Makefile into source-level vs binary-level packaging scripts
- Makefile retains the same behaviour as before and builds dist/dist-exe
- Makefile.client acts on the client component only, following GNU standards
- drop autoconf min version to 2.68, version in Ubuntu precise
Merge branch 'common-toplevel' into merge-all

Conflicts:
	.gitignore
	Makefile
	flashproxy-reg-email
	flashproxy-reg-http
	flashproxy-reg-url
Merge branch 'merge-next' into merge-all

Conflicts:
	facilitator/Makefile
	facilitator/facilitator-test.py
	facilitator/init.d/facilitator.in